Answer:
x=70
Step-by-step explanation:
it's 70 because 50 and 20 is proportional to x
Is the base (leght width) plus the areas of each of the four triangular faces
Answer: x = -4 or x = 7
Step-by-step explanation:
x^2 - 3x - 28 =/>
(factor)
(x^2 + 4)(x-7) = 0
x + 4 = 0 or x - 7 = 0
(subtract -4 from 0 and 7 from 0)
x = -4 or x =7
The question containing the steps is missing.
